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Finding the Fourth Proportional to 225,601.87, 311,330.58 and 124,999.87

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Solution

The fourth proportional to 225,601.87, 311,330.58 and 124,999.87 is: 172,499.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,601.87 : 311,330.58 = 124,999.87 : x
  2. Step 2: Convert to fraction form
    225,601.87/311,330.58 = 124,999.87/x
  3. Step 3: Cross multiply
    225,601.87x = 311,330.58 × 124,999.87
  4. Step 4: Simplify right side
    225,601.87x = 38,916,280,470.37
  5. Step 5: Solve for x
    x = 38,916,280,470.37/225,601.87
  6. Step 6: Final answer
    x = 172,499.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.